Mr. perry is entitled to medicare part a but has not yet enrolled in part b, even though he is 69 years old. he would like to enroll in a medicare part d prescription drug plan but is concerned that he will have to sign up for part b as well in order to qualify for enrollment in a part d plan. what should you tell him?

Western electric has 32,000 shares of common stock outstanding at a price per share of $79 and a rate of return of 13.00 percent. the firm has 7,300 shares of 7.80 percent preferred stock outstanding at a price of $95.00 per share. the preferred stock has a par value of $100. the outstanding debt has a total face value of $404,000 and currently sells for 111 percent of face. the yield to maturity on the debt is 8.08 percent. what is the firm's weighted average cost of capital if the tax rate is 39 percent?